-242 BLACK FKM 90D O-RING

Viton® O-Ring, 3.984 in ID x 0.139 CS, 90A, Black, -15 to 400°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Fluoroelastomer (FKM/Viton)
Dash Size
242
Durometer
90 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-15°F (-26°C)
Maximum Temperature
400°F (204°C)
Nominal Cross Section
1/8 inch
Nominal Inside Diameter
4 inch
Nominal Outside Diameter
4 1/4 inch
Unit of Measure
EA
SKU:
V90242
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Product Specification

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The V90242 is an AS568-242 black Viton® (FKM) 90 Shore A O-Ring measuring an inside diameter of 3.984 in (101.19 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.262 in (108.25 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.

Viton® (FKM) is specified here for industry benchmark where nitrile reaches its thermal limit and outstanding high-temperature capability. This material stands up to petroleum oils and fuels, many acids, and engine and transmission fluids. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). Verify compatibility before use with low-molecular-weight organic acids or hot water and steam.

Typical settings include high-temperature process equipment, chemical processing, and aerospace.

Order part number V90242, sold individually. Unit weight is approximately 5.8338 g and nominal inside diameter is listed as 4 inch. Check the compound against your process media, pressure and temperature before committing to a design.
Item
V90242
Description
-242 BLACK FKM 90D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
3.984 inch (101.19 mm)
Actual Outside Diameter
4.262 inch (108.25 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity